Cisco 300-410 Online Practice Questions and Exam Preparation

Cisco 300-410 Online Questions & Answers

• Question 481:

  What is a characteristic of Layer 3 MPLS VPNs?

  A. Traffic engineering capabilities provide QoS and SLAs.
  B. Traffic engineering supports multiple IGP instances.
  C. LSP signaling requires the use of unnumbered IP links for traffic engineering.
  D. Authentication is performed by using digital certificates or preshared keys.
  A. Traffic engineering capabilities provide QoS and SLAs.

  ---

  MPLS traffic engineering supports only a single IGP process/instance

  The MPLS traffic engineering feature does not support routing and signaling of LSPs over unnumbered IP links.

  https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/mp_te_path_setup/configuration/xe-3s/mp-te-path-setup-xe-3s-book/mp-te-enhance-xe.html https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/mp_te_diffserv/configuration/15-mt/mp-te-diffserv-15-mt-book/mp-te-diffserv-aw.html

• Question 482:

  Refer to the exhibit.

  

  Which two configurations are required on R2 to prevent a routing loop caused by the redistribution from OSPF back into EIGRP? (Choose two.)

  A. route-map eigrp2ospf permit 10 set tag 90 route-map eigrp2ospf deny 20 match tag 110
  B. route-map ospf2eigrp deny 10 match tag 90 route-map ospf2eigrp permit 20 set tag 110
  C. router ospf 1 redistribute eigrp 1 route-map ospf2eigrp
  D. router eigrp 1 redistribute ospf 1 metric 100000 1 255 1 1500 route-map eigrp2ospf
  E. router eigrp 1 redistribute ospf 1 metric 100000 1 255 1 1500 route-map ospf2eigrp
  C. router ospf 1 redistribute eigrp 1 route-map ospf2eigrp
  D. router eigrp 1 redistribute ospf 1 metric 100000 1 255 1 1500 route-map eigrp2ospf

• Question 483:

  Refer to the exhibit.

  

  An engineer configured two ASBRs, 10.4.17.6 and 10.4.15.5, in an OSPF network to redistribute identical routes from BGR However, only prefixes from 10.4.17.6 are installed into the routing table on R1. Which action must the engineer take to achieve load sharing for the BGP-originated prefixes?

  A. The ASBRs are advertising the redistributed prefixes with the iBGP metric and must be modified to Type 1 on ASBR 10.4.17.6.
  B. The ASBRs are advertising the redistributed prefixes with a different admin distance and must be changed to 110 on ASBR 10.4.15.5.
  C. The admin distance of the prefixes must be adjusted to 20 on ASBR 10.4.15.5 to advertise prefixes to R1 identically from both ASBRs.
  D. The ASBRs are advertising the redistributed prefixes as Type 1 and must be modified to Type 2
  D. The ASBRs are advertising the redistributed prefixes as Type 1 and must be modified to Type 2

• Question 484:

  You have implemented SNMP v3 in your network. You find after making the configuration changes that technicians in the RESTRICTED group cannot access the MIB. You execute the show run command and receive the following output that relates to SNMP:

  

  What is preventing the RESTRICTED group from viewing the MIB?

  A. the presence of the keyword priv in the command creating the RESTRICTED group
  B. a mismatch between the authentication mechanism and the encryption type in the command creating the RESTRICTED user
  C. the absence of an access list defining the stations that can used by the RESTRICTED group
  D. the presence of the keyword auth in the command creating the RESTRICTED user
  C. the absence of an access list defining the stations that can used by the RESTRICTED group

  ---

  At the end of the command creating the RESTRICTED group is the parameter access 99. This indicates that an access list number 99 is being used to specify the allowed IP addresses of the stations that can be used to connect to the MIB for the group. Since the access list is missing from the configuration, no IP addresses will be allowed, and no connections can be made by the group.

  The presence of the keyword priv in the command creating the RESTRICTED group is not causing the issue. This keyword indicates that encryption (privacy) and authentication should both be used on all transmissions by the group.

  In SMNPv3, there are three combinations of security that can be used:

  noAuthNoPriv- no authentication and no encryption noauth keyword in the configuration AuthNoPriv - messages are authenticated but not encrypted auth keyword in the configuration AuthPriv - messages are authenticated and encrypted priv keyword in the configuration There is no mismatch between the authentication mechanism and the encryption type in the command creating the RESTRICTED user.

  snmp-server user RESTRICTED RESTRICTED v3 auth sha CISCO priv des56 CISCO

  In the preceding command, the section auth sha CISCO specified that messages are authenticated using SHA with a key of CISCO. It does not need to the match the section priv des56 CISCO, which indicates that encryption (priv) will be provided using DES56 with a key of CISCO.

  The presence of the keyword auth in the command creating the RESTRICTED user is not causing the issue. This line indicates that that messages are authenticated using SHA with a key of CISCO.

  Objective:

  Infrastructure Services

  Sub-Objective:

  Configure and verify SNMP

  References:

  SNMP Configuration Guide, Cisco IOS XE Release 3SE (Catalyst 3850 Switches) > SNMPv3

• Question 485:

  Refer to the exhibit

  

  A customer reported an issue with a fiber link failure between RC and RE Users connected through the spoke location face disconnection and packet drops with the primary email server (172.16.16.1) but have no issues with the backup email server (172.16.26.1). All the router loopback IPs are advertised through the OSPF protocol.

  Which configuration resolves the issue?

  A. RB(config)#router bgp 65101 RB(config-router)#no synchronization
  B. RC(config)#router bgp 65101 RC(config-router)#neighbor 10.10.10.2 next-hop-self
  C. RB(config)#router bgp 65101 RB(config-router)#neighbor 10.10.10.5 next-hop-self
  D. RC(config)#router bgp 65101 RC(config-router)#no synchronization
  B. RC(config)#router bgp 65101 RC(config-router)#neighbor 10.10.10.2 next-hop-self

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• Question 486:

  Refer to the exhibit

  

  A customer reported a failure and intermittent disconnection between two office buildings site X and site Y.

  The network team finds that site X and site Y are exchanging email application traffic with the data center network.

  Which configuration resolves the issue between site X and site Y?

  A. RC(config)# ip prefix-list Customer seq 5 permit 192.168.30.1/32
  B. RC(config)#router bgp 65101 RC(config-router)# neighbor 10.0.0.18 prefix-list Customer in
  C. RF(config)#no ip prefix-list Customer seq 5 deny 192.168.1.1/32
  D. RF(config)#router bgp 65201 RF(config-router)# neiahbor 10.0.0.17 prefix-list Customer out
  C. RF(config)#no ip prefix-list Customer seq 5 deny 192.168.1.1/32

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• Question 487:

  Which two NLRI attributes are used by an MPLS Layer 3 VPN network to exchange VPNv4 routes between MPLS routers via MP-BGP?

  A. VPNv4 Prefix
  B. Next Hop
  C. Extended-Community
  D. IPv4 Prefix
  E. RT
  B. Next Hop
  D. IPv4 Prefix

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  https://networklessons.com/mpls/mpls-layer-3-vpn-explained

• Question 488:

  Refer to the exhibit. The OSPF routing protocol is redistributed into the BGP routing protocol, but not all the OSPF routes are distributed into BGP Which action resolves the issue?

  

  A. Include the word external in the redistribute command
  B. Use a route-map command to redistribute OSPF external routes defined in an access list
  C. Include the word internal external in the redistribute command
  D. Use a route-map command to redistribute OSPF external routes defined in a prefix list.
  C. Include the word internal external in the redistribute command

  ---

  If you configure the redistribution of OSPF into BGP without keywords, only OSPF intra-area and inter-area routes are redistributed into BGP, by default. You can use the internal keyword along with the redistribute command under router bgp to redistribute OSPF intra- and inter-area routes.

  Use the external keyword along with the redistribute command under router bgp to redistribute OSPF external routes into BGP.

  -> In order to redistribute all OSPF routes into BGP, we must use both internal and external keywords. The full command would be (suppose we are using OSPF 1):

  redistribute ospf 1 match internal external

  Note: The configuration shows match internal external 1 external 2. This is normal because OSPF automatically appends "external 1 external 2" in the configuration. In other words, keyword external = external 1 external 2. External 1 = O E1 and External 2 = O E2.

• Question 489:

  Refer to the exhibit. The default route from R1 must be withdrawn from the routing table if R1 cannot ping 10.1.1.1, but it is not working correctly. Which configuration resolves the issue?

  

  A. Option A
  B. Option B
  C. Option C
  D. Option D
  A. Option A

• Question 490:

  Refer to the exhibit. An engineer is trying to configure local authentication on the console line, but the device is trying to authenticate using TACACS+. Which action produces the desired configuration?

  

  A. Add the aaa authentication login default none command to the global configuration.
  B. Replace the capital "C" with a lowercase "c" in the aaa authentication login Console local command.
  C. Add the aaa authentication login default group tacacs+ local-case command to the global configuration.
  D. Add the login authentication Console command to the line configuration
  D. Add the login authentication Console command to the line configuration

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  https://community.cisco.com/t5/switching/how-to-define-login-local-for-console-0/td-p/2949493